open-consul/command/agent/local_test.go

920 lines
22 KiB
Go

package agent
import (
"fmt"
"os"
"reflect"
"testing"
"time"
"github.com/hashicorp/consul/consul/structs"
"github.com/hashicorp/consul/testutil"
)
func TestAgentAntiEntropy_Services(t *testing.T) {
conf := nextConfig()
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
// Register info
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
Address: "127.0.0.1",
}
// Exists both, same (noop)
var out struct{}
srv1 := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"master"},
Port: 5000,
}
agent.state.AddService(srv1, "")
args.Service = srv1
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different (update)
srv2 := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{},
Port: 8000,
}
agent.state.AddService(srv2, "")
srv2_mod := new(structs.NodeService)
*srv2_mod = *srv2
srv2_mod.Port = 9000
args.Service = srv2_mod
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local (create)
srv3 := &structs.NodeService{
ID: "web",
Service: "web",
Tags: []string{},
Port: 80,
}
agent.state.AddService(srv3, "")
// Exists remote (delete)
srv4 := &structs.NodeService{
ID: "lb",
Service: "lb",
Tags: []string{},
Port: 443,
}
args.Service = srv4
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different address (update)
srv5 := &structs.NodeService{
ID: "api",
Service: "api",
Tags: []string{},
Address: "127.0.0.10",
Port: 8000,
}
agent.state.AddService(srv5, "")
// Exists local, in sync, remote missing (create)
srv6 := &structs.NodeService{
ID: "cache",
Service: "cache",
Tags: []string{},
Port: 11211,
}
agent.state.AddService(srv6, "")
agent.state.serviceStatus["cache"] = syncStatus{inSync: true}
srv5_mod := new(structs.NodeService)
*srv5_mod = *srv5
srv5_mod.Address = "127.0.0.1"
args.Service = srv5_mod
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Trigger anti-entropy run and wait
agent.StartSync()
time.Sleep(200 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var services structs.IndexedNodeServices
if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// Make sure we sent along our tagged addresses when we synced.
addrs := services.NodeServices.Node.TaggedAddresses
if len(addrs) == 0 || !reflect.DeepEqual(addrs, conf.TaggedAddresses) {
t.Fatalf("bad: %v", addrs)
}
// We should have 6 services (consul included)
if len(services.NodeServices.Services) != 6 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql":
if !reflect.DeepEqual(serv, srv1) {
t.Fatalf("bad: %v %v", serv, srv1)
}
case "redis":
if !reflect.DeepEqual(serv, srv2) {
t.Fatalf("bad: %#v %#v", serv, srv2)
}
case "web":
if !reflect.DeepEqual(serv, srv3) {
t.Fatalf("bad: %v %v", serv, srv3)
}
case "api":
if !reflect.DeepEqual(serv, srv5) {
t.Fatalf("bad: %v %v", serv, srv5)
}
case "cache":
if !reflect.DeepEqual(serv, srv6) {
t.Fatalf("bad: %v %v", serv, srv6)
}
case "consul":
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
// Check the local state
if len(agent.state.services) != 6 {
t.Fatalf("bad: %v", agent.state.services)
}
if len(agent.state.serviceStatus) != 6 {
t.Fatalf("bad: %v", agent.state.serviceStatus)
}
for name, status := range agent.state.serviceStatus {
if !status.inSync {
t.Fatalf("should be in sync: %v %v", name, status)
}
}
}
func TestAgentAntiEntropy_EnableTagOverride(t *testing.T) {
conf := nextConfig()
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
Address: "127.0.0.1",
}
var out struct{}
// EnableTagOverride = true
srv1 := &structs.NodeService{
ID: "svc_id1",
Service: "svc1",
Tags: []string{"tag1"},
Port: 6100,
EnableTagOverride: true,
}
agent.state.AddService(srv1, "")
srv1_mod := new(structs.NodeService)
*srv1_mod = *srv1
srv1_mod.Port = 7100
srv1_mod.Tags = []string{"tag1_mod"}
args.Service = srv1_mod
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// EnableTagOverride = false
srv2 := &structs.NodeService{
ID: "svc_id2",
Service: "svc2",
Tags: []string{"tag2"},
Port: 6200,
EnableTagOverride: false,
}
agent.state.AddService(srv2, "")
srv2_mod := new(structs.NodeService)
*srv2_mod = *srv2
srv2_mod.Port = 7200
srv2_mod.Tags = []string{"tag2_mod"}
args.Service = srv2_mod
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Trigger anti-entropy run and wait
agent.StartSync()
time.Sleep(200 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var services structs.IndexedNodeServices
if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "svc_id1":
if serv.ID != "svc_id1" ||
serv.Service != "svc1" ||
serv.Port != 6100 ||
!reflect.DeepEqual(serv.Tags, []string{"tag1_mod"}) {
t.Fatalf("bad: %v %v", serv, srv1)
}
case "svc_id2":
if serv.ID != "svc_id2" ||
serv.Service != "svc2" ||
serv.Port != 6200 ||
!reflect.DeepEqual(serv.Tags, []string{"tag2"}) {
t.Fatalf("bad: %v %v", serv, srv2)
}
case "consul":
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
for name, status := range agent.state.serviceStatus {
if !status.inSync {
t.Fatalf("should be in sync: %v %v", name, status)
}
}
}
func TestAgentAntiEntropy_Services_WithChecks(t *testing.T) {
conf := nextConfig()
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
{
// Single check
srv := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"master"},
Port: 5000,
}
agent.state.AddService(srv, "")
chk := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "mysql",
Name: "mysql",
ServiceID: "mysql",
Status: structs.HealthPassing,
}
agent.state.AddCheck(chk, "")
// Sync the service once
if err := agent.state.syncService("mysql"); err != nil {
t.Fatalf("err: %s", err)
}
// We should have 2 services (consul included)
svcReq := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var services structs.IndexedNodeServices
if err := agent.RPC("Catalog.NodeServices", &svcReq, &services); err != nil {
t.Fatalf("err: %v", err)
}
if len(services.NodeServices.Services) != 2 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// We should have one health check
chkReq := structs.ServiceSpecificRequest{
Datacenter: "dc1",
ServiceName: "mysql",
}
var checks structs.IndexedHealthChecks
if err := agent.RPC("Health.ServiceChecks", &chkReq, &checks); err != nil {
t.Fatalf("err: %v", err)
}
if len(checks.HealthChecks) != 1 {
t.Fatalf("bad: %v", checks)
}
}
{
// Multiple checks
srv := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"master"},
Port: 5000,
}
agent.state.AddService(srv, "")
chk1 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "redis:1",
Name: "redis:1",
ServiceID: "redis",
Status: structs.HealthPassing,
}
agent.state.AddCheck(chk1, "")
chk2 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "redis:2",
Name: "redis:2",
ServiceID: "redis",
Status: structs.HealthPassing,
}
agent.state.AddCheck(chk2, "")
// Sync the service once
if err := agent.state.syncService("redis"); err != nil {
t.Fatalf("err: %s", err)
}
// We should have 3 services (consul included)
svcReq := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var services structs.IndexedNodeServices
if err := agent.RPC("Catalog.NodeServices", &svcReq, &services); err != nil {
t.Fatalf("err: %v", err)
}
if len(services.NodeServices.Services) != 3 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// We should have two health checks
chkReq := structs.ServiceSpecificRequest{
Datacenter: "dc1",
ServiceName: "redis",
}
var checks structs.IndexedHealthChecks
if err := agent.RPC("Health.ServiceChecks", &chkReq, &checks); err != nil {
t.Fatalf("err: %v", err)
}
if len(checks.HealthChecks) != 2 {
t.Fatalf("bad: %v", checks)
}
}
}
var testRegisterRules = `
service "api" {
policy = "write"
}
`
func TestAgentAntiEntropy_Services_ACLDeny(t *testing.T) {
conf := nextConfig()
conf.ACLDatacenter = "dc1"
conf.ACLMasterToken = "root"
conf.ACLDefaultPolicy = "deny"
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
// Create the ACL
arg := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTypeClient,
Rules: testRegisterRules,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
var out string
if err := agent.RPC("ACL.Apply", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Update the agent ACL token, resume sync
conf.ACLToken = out
// Create service (Allowed)
srv1 := &structs.NodeService{
ID: "mysql",
Service: "mysql",
Tags: []string{"master"},
Port: 5000,
}
agent.state.AddService(srv1, "")
// Create service (Disallowed)
srv2 := &structs.NodeService{
ID: "api",
Service: "api",
Tags: []string{"foo"},
Port: 5001,
}
agent.state.AddService(srv2, "")
// Trigger anti-entropy run and wait
agent.StartSync()
time.Sleep(200 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
QueryOptions: structs.QueryOptions{Token: out},
}
var services structs.IndexedNodeServices
if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 2 services (consul included)
if len(services.NodeServices.Services) != 2 {
t.Fatalf("bad: %v", services.NodeServices.Services)
}
// All the services should match
for id, serv := range services.NodeServices.Services {
serv.CreateIndex, serv.ModifyIndex = 0, 0
switch id {
case "mysql":
t.Fatalf("should not be permitted")
case "api":
if !reflect.DeepEqual(serv, srv2) {
t.Fatalf("bad: %#v %#v", serv, srv2)
}
case "consul":
// ignore
default:
t.Fatalf("unexpected service: %v", id)
}
}
// Check the local state
if len(agent.state.services) != 3 {
t.Fatalf("bad: %v", agent.state.services)
}
if len(agent.state.serviceStatus) != 3 {
t.Fatalf("bad: %v", agent.state.serviceStatus)
}
for name, status := range agent.state.serviceStatus {
if !status.inSync {
t.Fatalf("should be in sync: %v %v", name, status)
}
}
}
func TestAgentAntiEntropy_Checks(t *testing.T) {
conf := nextConfig()
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
// Register info
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
Address: "127.0.0.1",
}
// Exists both, same (noop)
var out struct{}
chk1 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "mysql",
Name: "mysql",
Status: structs.HealthPassing,
}
agent.state.AddCheck(chk1, "")
args.Check = chk1
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists both, different (update)
chk2 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "redis",
Name: "redis",
Status: structs.HealthPassing,
}
agent.state.AddCheck(chk2, "")
chk2_mod := new(structs.HealthCheck)
*chk2_mod = *chk2
chk2_mod.Status = structs.HealthCritical
args.Check = chk2_mod
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local (create)
chk3 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "web",
Name: "web",
Status: structs.HealthPassing,
}
agent.state.AddCheck(chk3, "")
// Exists remote (delete)
chk4 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "lb",
Name: "lb",
Status: structs.HealthPassing,
}
args.Check = chk4
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Exists local, in sync, remote missing (create)
chk5 := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "cache",
Name: "cache",
Status: structs.HealthPassing,
}
agent.state.AddCheck(chk5, "")
agent.state.checkStatus["cache"] = syncStatus{inSync: true}
// Trigger anti-entropy run and wait
agent.StartSync()
time.Sleep(200 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var checks structs.IndexedHealthChecks
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
// We should have 5 checks (serf included)
if len(checks.HealthChecks) != 5 {
t.Fatalf("bad: %v", checks)
}
// All the checks should match
for _, chk := range checks.HealthChecks {
chk.CreateIndex, chk.ModifyIndex = 0, 0
switch chk.CheckID {
case "mysql":
if !reflect.DeepEqual(chk, chk1) {
t.Fatalf("bad: %v %v", chk, chk1)
}
case "redis":
if !reflect.DeepEqual(chk, chk2) {
t.Fatalf("bad: %v %v", chk, chk2)
}
case "web":
if !reflect.DeepEqual(chk, chk3) {
t.Fatalf("bad: %v %v", chk, chk3)
}
case "cache":
if !reflect.DeepEqual(chk, chk5) {
t.Fatalf("bad: %v %v", chk, chk5)
}
case "serfHealth":
// ignore
default:
t.Fatalf("unexpected check: %v", chk)
}
}
// Check the local state
if len(agent.state.checks) != 4 {
t.Fatalf("bad: %v", agent.state.checks)
}
if len(agent.state.checkStatus) != 4 {
t.Fatalf("bad: %v", agent.state.checkStatus)
}
for name, status := range agent.state.checkStatus {
if !status.inSync {
t.Fatalf("should be in sync: %v %v", name, status)
}
}
// Make sure we sent along our tagged addresses when we synced.
{
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var services structs.IndexedNodeServices
if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
addrs := services.NodeServices.Node.TaggedAddresses
if len(addrs) == 0 || !reflect.DeepEqual(addrs, conf.TaggedAddresses) {
t.Fatalf("bad: %v", addrs)
}
}
}
func TestAgentAntiEntropy_Check_DeferSync(t *testing.T) {
conf := nextConfig()
conf.CheckUpdateInterval = 100 * time.Millisecond
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
// Create a check
check := &structs.HealthCheck{
Node: agent.config.NodeName,
CheckID: "web",
Name: "web",
Status: structs.HealthPassing,
Output: "",
}
agent.state.AddCheck(check, "")
// Trigger anti-entropy run and wait
agent.StartSync()
time.Sleep(200 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var checks structs.IndexedHealthChecks
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
// Verify checks in place
if len(checks.HealthChecks) != 2 {
t.Fatalf("checks: %v", check)
}
// Update the check output! Should be deferred
agent.state.UpdateCheck("web", structs.HealthPassing, "output")
// Should not update for 100 milliseconds
time.Sleep(50 * time.Millisecond)
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
t.Fatalf("err: %v", err)
}
// Verify not updated
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "" {
t.Fatalf("early update: %v", chk)
}
}
}
// Wait for a deferred update
testutil.WaitForResult(func() (bool, error) {
if err := agent.RPC("Health.NodeChecks", &req, &checks); err != nil {
return false, err
}
// Verify updated
for _, chk := range checks.HealthChecks {
switch chk.CheckID {
case "web":
if chk.Output != "output" {
return false, fmt.Errorf("no update: %v", chk)
}
}
}
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
}
func TestAgentAntiEntropy_NodeInfo(t *testing.T) {
conf := nextConfig()
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
// Register info
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
Address: "127.0.0.1",
}
var out struct{}
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Trigger anti-entropy run and wait
agent.StartSync()
time.Sleep(200 * time.Millisecond)
// Verify that we are in sync
req := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: agent.config.NodeName,
}
var services structs.IndexedNodeServices
if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
// Make sure we synced our node info - this should have ridden on the
// "consul" service sync
addrs := services.NodeServices.Node.TaggedAddresses
if len(addrs) == 0 || !reflect.DeepEqual(addrs, conf.TaggedAddresses) {
t.Fatalf("bad: %v", addrs)
}
// Blow away the catalog version of the node info
if err := agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Trigger anti-entropy run and wait
agent.StartSync()
time.Sleep(200 * time.Millisecond)
// Verify that we are in sync - this should have been a sync of just the
// node info
if err := agent.RPC("Catalog.NodeServices", &req, &services); err != nil {
t.Fatalf("err: %v", err)
}
addrs = services.NodeServices.Node.TaggedAddresses
if len(addrs) == 0 || !reflect.DeepEqual(addrs, conf.TaggedAddresses) {
t.Fatalf("bad: %v", addrs)
}
}
func TestAgentAntiEntropy_deleteService_fails(t *testing.T) {
l := new(localState)
if err := l.deleteService(""); err == nil {
t.Fatalf("should have failed")
}
}
func TestAgentAntiEntropy_deleteCheck_fails(t *testing.T) {
l := new(localState)
if err := l.deleteCheck(""); err == nil {
t.Fatalf("should have errored")
}
}
func TestAgent_serviceTokens(t *testing.T) {
config := nextConfig()
config.ACLToken = "default"
l := new(localState)
l.Init(config, nil)
// Returns default when no token is set
if token := l.ServiceToken("redis"); token != "default" {
t.Fatalf("bad: %s", token)
}
// Returns configured token
l.serviceTokens["redis"] = "abc123"
if token := l.ServiceToken("redis"); token != "abc123" {
t.Fatalf("bad: %s", token)
}
// Removes token
l.RemoveService("redis")
if token := l.ServiceToken("redis"); token != "default" {
t.Fatalf("bad: %s", token)
}
}
func TestAgent_checkTokens(t *testing.T) {
config := nextConfig()
config.ACLToken = "default"
l := new(localState)
l.Init(config, nil)
// Returns default when no token is set
if token := l.CheckToken("mem"); token != "default" {
t.Fatalf("bad: %s", token)
}
// Returns configured token
l.checkTokens["mem"] = "abc123"
if token := l.CheckToken("mem"); token != "abc123" {
t.Fatalf("bad: %s", token)
}
// Removes token
l.RemoveCheck("mem")
if token := l.CheckToken("mem"); token != "default" {
t.Fatalf("bad: %s", token)
}
}
func TestAgent_nestedPauseResume(t *testing.T) {
l := new(localState)
if l.isPaused() != false {
t.Fatal("localState should be unPaused after init")
}
l.Pause()
if l.isPaused() != true {
t.Fatal("localState should be Paused after first call to Pause()")
}
l.Pause()
if l.isPaused() != true {
t.Fatal("localState should STILL be Paused after second call to Pause()")
}
l.Resume()
if l.isPaused() != true {
t.Fatal("localState should STILL be Paused after FIRST call to Resume()")
}
l.Resume()
if l.isPaused() != false {
t.Fatal("localState should NOT be Paused after SECOND call to Resume()")
}
defer func() {
err := recover()
if err == nil {
t.Fatal("unbalanced Resume() should cause a panic()")
}
}()
l.Resume()
}
func TestAgent_sendCoordinate(t *testing.T) {
conf := nextConfig()
conf.SyncCoordinateRateTarget = 10.0 // updates/sec
conf.SyncCoordinateIntervalMin = 1 * time.Millisecond
conf.ConsulConfig.CoordinateUpdatePeriod = 100 * time.Millisecond
conf.ConsulConfig.CoordinateUpdateBatchSize = 10
conf.ConsulConfig.CoordinateUpdateMaxBatches = 1
dir, agent := makeAgent(t, conf)
defer os.RemoveAll(dir)
defer agent.Shutdown()
testutil.WaitForLeader(t, agent.RPC, "dc1")
// Wait a little while for an update.
time.Sleep(3 * conf.ConsulConfig.CoordinateUpdatePeriod)
// Make sure the coordinate is present.
req := structs.DCSpecificRequest{
Datacenter: agent.config.Datacenter,
}
var reply structs.IndexedCoordinates
if err := agent.RPC("Coordinate.ListNodes", &req, &reply); err != nil {
t.Fatalf("err: %s", err)
}
if len(reply.Coordinates) != 1 {
t.Fatalf("expected a coordinate: %v", reply)
}
coord := reply.Coordinates[0]
if coord.Node != agent.config.NodeName || coord.Coord == nil {
t.Fatalf("bad: %v", coord)
}
}